Designed specifically for old speakers, amplifiers, and car equipment, you can easily upgrade traditional wired audio equipment to Bluetooth wireless connections without replacing the equipment. It allows older devices to regain wireless playback capabilities at a low cost. The signal has strong anti-interference ability, no lag in transmission, and no delay in audio and video. Whether you're listening to music or watching TV shows, you can enjoy a smooth wireless audio experience. Equipped with a variety of interfaces such as Type-C power supply port, USB port, AUX audio port, RCA lotus port, etc., it is suitable for most audio, headphones, and car equipment, easily meeting the connection needs of different scenarios, and is simple to operate. Type-C stable power supply, long-lasting and worry-free. The Type-C universal power supply interface provides stable power supply and strong adaptability. The low power consumption design can provide reliable guarantee for long-term use, and it is very convenient for daily charging and car power withdrawal.